I have a significant amount of Lotus plants in one of my ponds. They are attractive, have nice flowers, and interesting seedpods often used in commercial floral arrangements. Anyone have experience with just how invasive they may become? Is there much danger they will become so thick that they will "take over" and spoil fishing, canoe paddling, etc?

Would grass carp control them? We were considering the possibility of propagating them to ponds within view of our new house (under construction) but not if it would create an out of control situation.

Pat